169384420 has 24 divisors (see below), whose sum is σ = 371173824. Its totient is φ = 64807776.

The previous prime is 169384399. The next prime is 169384429. The reversal of 169384420 is 24483961.

169384420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 169384420.

It is not an unprimeable number, because it can be changed into a prime (169384429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183654 + ... + 184573.

It is an arithmetic number, because the mean of its divisors is an integer number (15465576).

Almost surely, 2^169384420 is an apocalyptic number.

169384420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169384420 is an abundant number, since it is smaller than the sum of its proper divisors (201789404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169384420 is a wasteful number, since it uses less digits than its factorization.

169384420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368259 (or 368257 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 169384420 is about 13014.7769861800. The cubic root of 169384420 is about 553.2963693635.

The spelling of 169384420 in words is "one hundred sixty-nine million, three hundred eighty-four thousand, four hundred twenty".